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First Dicovered DNA from white blood cells in pus.
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German biologist who is know as the founder of cytogenetics
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Discovered what the chromosomal basis of sex was.
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Theorized that the Mendelian laws of inheritance could be applied to chromosomes at the cellular level.
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Made discoveries ralating the role the chromosome plays in heredity.
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Proved theory that hereditary diseases are “inborn errors of metabolism” missing or false steps in the body’s chemical pathways
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Experimented in mice to show that DNA is the transforming principle.
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Used X-ray crystallography to take a picture of DNA
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Worked with Franklin to take X-ray diffraction pictures of DNA
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Isolated DNA from differnet organism and measured the levels of each of the bases.
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Credited with the discovery of the double helix shape of DNA
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Experimented in bacterial conjugation and proved that bacteria mates.
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First person to recognize the normal number of human chromosomes.
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Showed that new DNA is made from two copies of the old DNA
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Credited with “breaking the genetic code” and describing how it operates in protein synthesis.
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Invented the technique of DNA cloning, the foundation of genetic engineering
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Developed a method to determine the exact sequence of nucleotides in a gne
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Made discoveries concerning the interaction between tumor viruses and genitic material of the cell.
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Pioneer in the field of recombinant DNA, the process of inserting DNA from another species into a molecule.
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Determined the base sequences in nucleic acids.
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Biotechnology research and development firm
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Invented the polymerase chain reaction method for copying specific regions of DNA
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Figured out a fast way to find the genes that make up the human genome.